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nomulus/common/src/main/java/google/registry/util/SystemClock.java
Ben McIlwain c427f2cc9f Migrate core temporal models and related entities to java.time.Instant (#3001)
This comprehensive refactor continues the migration from Joda-Time to java.time (Instant), focusing on core timestamp models, transition properties, and their integration across the codebase.

Key changes:
- Migrated CreateAutoTimestamp and UpdateAutoTimestamp to use Instant internally, providing Joda-Time bridge methods for backward compatibility.
- Updated TimedTransitionProperty to handle Instant-based transition maps and updated corresponding Hibernate UserTypes (TimedTransitionBaseUserType).
- Migrated GracePeriod, BillingBase, BillingEvent, PollMessage, and PendingActionNotificationResponse fields (e.g., expirationTime, eventTime) to Instant.
- Migrated additional core entities (DomainBase, Registrar, HostBase, LaunchNotice, BsaLabel, DomainTransactionRecord) to use Instant for registrationExpirationTime, lastTransferTime, creationTime, etc.
- Updated Tld and FeatureFlag models to use Instant for claimsPeriodEnd, bsaEnrollStartTime, and status transitions.
- Enhanced CLI tools and parameters (TransitionListParameter, InstantParameter, RequestParameters) to support Instant-based input and output.
- Updated EntityYamlUtils with custom Instant serializers/deserializers to maintain format consistency (e.g., .SSSZ precision) required for YAML-based tests.
- Implemented UtcInstantAdapter to ensure JAXB XML serialization maintains millisecond accuracy, matching legacy Joda-Time behavior.
- Resolved Hibernate 6 type mismatches in JPQL and Native queries by ensuring consistent use of Instant for comparisons.
- Updated GEMINI.md with project-specific engineering standards, including the 'one commit per PR' mandate, full-build validation requirement, and commit message style rules.
- Cleaned up unnecessary @JsonIgnore and @JsonProperty annotations that were previously added to methods with parameters or redundant fields.
- Refactored DateTimeUtils to use strongly-typed overloads and standardized naming (earliestOf, latestOf) while avoiding type erasure clashes.
- Cleaned up fully qualified calls to toDateTime and toInstant by adding static imports across core model and flow files.
- Refactored test suites to use clock.now() (Instant) instead of nowUtc() (DateTime) and removed custom Truth subjects in favor of standard assertions.
2026-04-20 14:03:20 +00:00

49 lines
1.6 KiB
Java

// Copyright 2017 The Nomulus Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package google.registry.util;
import static org.joda.time.DateTimeZone.UTC;
import jakarta.inject.Inject;
import java.time.Instant;
import java.time.temporal.ChronoUnit;
import javax.annotation.concurrent.ThreadSafe;
import org.joda.time.DateTime;
/** Clock implementation that proxies to the real system clock. */
@ThreadSafe
public class SystemClock implements Clock {
private static final long serialVersionUID = 5165372013848947515L;
@Inject
public SystemClock() {}
/** Returns the current time. */
@Override
public DateTime nowUtc() {
return DateTime.now(UTC);
}
@Override
public Instant now() {
// Truncate to milliseconds to match the precision of Joda DateTime and our database schema
// (which uses millisecond precision via DateTimeConverter). This prevents subtle comparison
// bugs where a high-precision Instant would be considered "after" a truncated database
// timestamp.
return Instant.now().truncatedTo(ChronoUnit.MILLIS);
}
}